... to give some support Piaget's theory. Thatcher used an "EEG" to measure each participant brain waves activity. Participants were 577 "normal" children in the age range from two months to early adolescence. Robert found that the child brain undergoes five different growths, around the same time as Piaget suggested. He also found that the brain hemisphere develops, and are active at ... different times in childhood. Robert's finding concluded that different areas of the brain develop at particular ages. This affects and supports Piaget's fours stages theory of cognitive development. Piage...

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